<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="UTF-8" />
        <meta name="viewport" content="width=device-width, initial-scale=1.0" />
        <title>grid</title>
    </head>
    <body>
        <div style="display: grid; grid-template-columns: 1fr 1fr 1fr;">
            <div style="width: 50px; height: 50px; background: red;"></div>
            <div style="width: 50px; height: 50px; background: green; justify-self: center;"></div>
            <div style="width: 50px; height: 50px; background: orange; justify-self: right;"></div>
        </div>
    </body>
</html>
